Also called Dīghāgama or Dīghasangaha.
It forms the first book of the Sutta Pitaka and consists of thirty-four long suttas, divided into three vaggas -
the Sīlakkhandha,
the Mahāvagga and
the Pātheya or Pātikavagga.
Buddhaghosa wrote a commentary on the work called the Sumangala-Vilāsinī.